100 Main Entry - Personal Name (NR) (Variable Data Field)
Field 100 contains a personal name used as a main entry in a bibliographic record. Main entry is assigned according to various cataloging rules (such as AACR 2 ), usually to the person chiefly responsible for creation of the intellectual or artistic content of a work.
The National level record requirement for this field is Mandatory if applicable.
Field 100 is NOT repeatable .
Guidelines for applying content designators:
The content designators identify the subelements occurring in personal name fields constructed according to the generally accepted cataloging and thesaurus-building rules [e.g., Anglo-American Cataloguing Rules (AACR 2 ), Library of Congress Subject Headings (LCSH)].
Personal names used in phrase subject headings (e.g., John, the Baptist, saint, in the Koran) are contained in field 650 (Subject Added Entry - Topical Term) .
For indicator and subfield code definitions and examples, National-level (NLR) and Minimal-level (MLR) record requirements , and designator repeatability , see table below:
Position | Description | NLR | MLR | Repeatability |
Field 100 | Main Entry - Personal Name | A | A | NR |
Indicator: | ||||
First | M | |||
0 | A | |||
1 | A | |||
3 | A | |||
Second | Undefined; contains a blank | M | ||
Subfield code: | ||||
M | M | NR | ||
$b | A | A | NR | |
$c | A | A | R | |
A | A | NR | ||
O | O | R | ||
$f | A | O | NR | |
$g | A | O | NR | |
$j | O | O | R | |
$k | A | O | R | |
$l | A | O | NR | |
$n | A | O | R | |
$p | A | O | R | |
A | A | NR | ||
$t | A | O | NR | |
$u | O | O | NR | |
$4 | O | A | R | |
$6 | A | A | NR | |
$8 | O | O | R |
See: Examples for this field.
Ambiguous headings
(what is considered a "personal" name)
Initial articles
(includes information on diacritics or special characters)
First indicator - Type of personal name entry element
Values 1 - Single surname [redefined]
2 - Multiple surname [obsolete]
In 1996, the first indicator value 2 (Multiple surname) was made obsolete. Value 1 (Single surname) was redefined as surname to be used for headings with either single or multiple surnames.
Second indicator - Main entry/subject relationship (BK MU SE) [obsolete]: The use of the second indicator in field 100 to indicate the main entry/subject relationship was made obsolete in 1990. The values were: 0 (Main entry/subject relationship irrelevant) and 1 (Main entry is subject).
Subfields $n - Number of part/section of a work [defined]
$p - Name of part/section of a work [redefined]
In 1979, subfield $n was defined for numbered parts/sections and subfield $p (Part) was redefined to include only named parts/sections. Prior to that change, both the number and the name of a part were contained in one $p subfield.
Related MARC field or document:
X00 Personal Names - General Information
See also:
